<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
    </div>
    <div v-else>
      <slot name="item-icon-active"></slot>
    </div>
    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>
  </div>

</template>

<script>
export default {
  name: "TabBarItem",
  props: {
    path: String,
    activeColor: {
      type: String,
      default: '#FF8198'
    }
  },
  data() {
    return {
      // isActive: true,
    }
  },
  computed: {
    isActive() {
      // return true;

      //  /home  -> item1(/home)       true
      //  /home  -> item1(/category)   false
      //  /home  -> item1(/cart)       false
      //  /home  -> item1(/profile)    false
      return this.$route.path.indexOf(this.path) !== -1
      //$route  当前处于状态的路由
    },
    activeStyle() {
      return this.isActive ? {color: this.activeColor} : {}
    },
  },
  methods: {
    itemClick() {
      // console.log('itemClick被点击了~')
      this.$router.replace(this.path)
      //push方法可以返回，而replace不可以
    }
  }
}
</script>

<style scoped>

.tab-bar-item {
  flex: 1;
  text-align: center;
  height: 49px;
  font-size: 14px;
}

.tab-bar-item img {
  width: 24px;
  height: 24px;
  margin-top: 3px;
  margin-bottom: 2px;
  vertical-align: middle;
}

/*.active {*/
/*  color: deeppink;*/
/*}*/
</style>
